Home / 20,898,784.63-28,841,278.53-11,606,396.59

Finding the Fourth Proportional to 20,898,784.63, 28,841,278.53 and 11,606,396.59

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Solution

The fourth proportional to 20,898,784.63, 28,841,278.53 and 11,606,396.59 is: 16,017,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,898,784.63 : 28,841,278.53 = 11,606,396.59 : x
  2. Step 2: Convert to fraction form
    20,898,784.63/28,841,278.53 = 11,606,396.59/x
  3. Step 3: Cross multiply
    20,898,784.63x = 28,841,278.53 × 11,606,396.59
  4. Step 4: Simplify right side
    20,898,784.63x = 334,743,316,781,832.25
  5. Step 5: Solve for x
    x = 334,743,316,781,832.25/20,898,784.63
  6. Step 6: Final answer
    x = 16,017,358.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.